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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1844
DTSTART:20100413T203000Z
DTEND:20100413T220000Z
DTSTAMP:20260419T193806Z
LAST-MODIFIED:20100412T145118Z
LOCATION:3425 Sterling Hall
SUMMARY:Nearby\, Thermally Emitting Neutron Stars\, Astronomy Colloqui
 um\, David Kaplan\, UW-Milwaukee
DESCRIPTION:Neutron stars are among the densest objects in the univers
 e. The conditions in their centers are largely unconstrained by curren
 t theoretical physics or terrestrial laboratories\, leaving a wide var
 iety of compositions and structures possible. Observations of thermal 
 emission from neutron stars -- specifically measurements of their size
 s and cooling rates -- may therefore be the best way to constrain the 
 behavior of matter in these extreme conditions. I will discuss a sampl
 e of nearby\, cooling neutron stars that we are using for this purpose
 . We are attempting to pin down the basic parameters of these neutron 
 stars with a variety of ground- and space-base observations\, coupled 
 with theoretical modeling. Along the way\, we have encountered a numbe
 r of interesting astrophysical puzzles that I will describe. 
URL:https://www.physics.wisc.edu/events/?id=1844
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